Casio G-Shock GA-2100 Oak Metal ECB-10YP Octagon Sport Watch
Casio G-Shock GA-2100 'Oak' in metal octagon case — 49.3 x 44.4 x 11.8 mm, shock-proof, 200 m water-resistant, world time, LED illumination, countdown timer, and perpetual calendar.
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Product Details
The Casio G-Shock GA-2100 — nicknamed the 'CasiOak' for its octagonal case silhouette that echoes a certain prestigious Swiss design — packs formidable everyday functionality into a slim, metal-shelled body. This 1:1 replica of the ECB-10YP variant features the standout eight-sided metal case measuring 49.3 x 44.4 x 11.8 mm, giving it a more polished, jewellery-adjacent presence than standard G-Shock resin models while retaining full ruggedness. The shock-resistant construction and high resin structure absorb impacts; the LED illumination lets you read the time in complete darkness. World time keeps you synced across time zones, and the full-auto calendar never needs manual date-correction. Countdown timer and 12/24-hour format switching round out a feature set that covers every daily scenario. An equally stylish pick for men and women, the GA-2100 metal variant is the rare sports watch that looks as at home on a dinner table as on an outdoor trail.
- Case shape: Octagonal metal, 49.3 x 44.4 x 11.8 mm
- Protection: Shock-resistant, 200 m water resistance
- Lighting: LED illumination
- Functions: World time, countdown timer, stopwatch, daily alarm, auto calendar
- Time format: 12 / 24-hour switchable
- Movement: Quartz (battery)
- Case: Octagonal metal, 49.3 x 44.4 x 11.8 mm
- Water resistance: 200 m
- Shock resistance: Yes
- Illumination: LED
- Functions: World time, countdown, stopwatch, alarm, auto calendar
- Time format: 12 / 24-hour
Customer Reviews
Frequently Asked Questions
Does the Bluetooth app pairing actually work on this GA-2100 rep?
Yes, the app sync functions correctly for time adjustment and basic step counting. Full feature parity with the retail unit is not guaranteed but core Bluetooth functions operate.
How durable is the octagon metal bezel -- does it chip or scratch easily?
The bezel uses an IP-coated stainless steel insert. Light scratches can appear with heavy use, but day-to-day wear keeps it looking sharp for months.
Is this watch water-resistant?
Yes, it is rated for 200m water resistance in line with G-Shock spec. Swimming and showering are fine; avoid high-pressure water like jet washing.
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